1. Depending on usage:
General high-pressure cleaning machine can be divided into household and professional use of two. If you have been using a cleaning machine for less than 50 hours a year, you only need to buy a home cleaning machine. They are relatively cheap, light, simple and heat - resistant. If the use of time has more than 100 hours, it is necessary to consider the professional use of high-pressure cleaning machine, larger volume, material using copper alloy pump head, stainless steel valves and other durable materials, of course, the price is much more expensive. So how to choose, should inspect consumer need and decide.
2. Depending on the need for hot and cold water:
High pressure cleaning machine according to the occasion requirements, can also be divided into hot water and cold water type. In general, most of the market is cold water type, with water faucet injection room temperature can be used; But some business places need to be washed with hot water, then it is necessary to choose a hot water type high-pressure cleaning machine, if the cold water type injection of hot water, internal parts including water pump will be very fast damage, the loss outweighing the gain.
A heating device is added to the hot water washer, which is usually heated by a combustion cylinder. The use of hot water cleaning can quickly rinse off a large number of cold water is not easy to wash dirt and oil stains, cleaning efficiency has been greatly improved. However, due to the high price of hot water cleaning machine and high running cost (because of diesel), most users may choose the ordinary cold water high-pressure cleaning machine. Of course, in order to improve the cleaning efficiency and effect, or many professional customers will choose hot water cleaning machine.
3. Also choose sprinkler head:
Different sprinklers produce different cleaning effects. If the circular water column nozzle can increase the cleaning efficiency, the fan nozzle can rotate the nozzle as a low-pressure spray (can spray soap water) and high-pressure fan water column, the low-pressure brush head can spray low-pressure water gently scrub. Some of these sprayers will come with a bonus, and some will have to be purchased on their own.
4. Select merchants
The cleaner on market has a variety of brands, of entrance should compare homebred expensive 1, 2 times, more even, the actual demand that chooses when should according to oneself and budget. The equipment technology that imports normally is new, its durable sex and efficiency have certain advantage than homebred, but its price also tower above a lot of, maintenance cost also should tower above domestic equipment 2, 3 times. After choosing to use a brand, attention should also be paid to the selection of businesses.